Pivotal bioVenture Partners Fund I, L.P. - 24 Feb 2026 SCHEDULE 13D/A Report for Bolt Biotherapeutics, Inc. Common Stock, $0.00001 par value (BOLT)

Filing Manager
Pivotal bioVenture Partners Fund I, L.P.
Reporting Manager
Nan Fung Group Holdings Limited
Security
Bolt Biotherapeutics, Inc. Common Stock, $0.00001 par value
Symbol
BOLT
Shares outstanding
1,901,870 shares
Disclosed Ownership
87,486 shares
Ownership
4.6%
Form type
SCHEDULE 13D/A
Filing time
26 Feb 2026, 19:22:05 UTC
Date of event
24 Feb 2026
Previous filing
17 Feb 2026
SEC
View on sec.gov

Reporting Managers (11)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Nan Fung Group Holdings Limited 4.6% 87,486 0 87,486 /s/ Tang Chun Wai Nelson Tang Chun Wai Nelson, Director 0001782539
NF Investment Holdings Limited 4.6% 87,486 0 87,486 /s/ Tang Chun Wai Nelson Tang Chun Wai Nelson, Director
Pivotal bioVenture Partners Fund I, L.P. 2.7% 52,556 0 52,556 By Pivotal bioVenture Partners Fund I G.P., L.P. its General Partner 0001695076
Pivotal bioVenture Partners Fund I G.P., L.P. 2.7% 52,556 0 52,556 By Pivotal bioVenture Partners Fund I U.G.P., Ltd. its General Partner 0001752862
Pivotal bioVenture Partners Fund I U.G.P. Ltd. 2.7% 52,556 0 52,556 /s/ Robert Hopfner Robert Hopfner, Authorized Signatory
Pivotal Partners Ltd 2.7% 52,556 0 52,556 /s/ Sun Xintong Sun Xintong, Director
Pivotal Life Sciences Holdings Limited 2.7% 52,556 0 52,556 /s/ Sun Xintong Sun Xintong, Director
Nan Fung Life Sciences Holdings Limited 4.3% 82,486 0 82,486 /s/ Sun Xintong Sun Xintong, Director
Permwell Management Limited 0.3% 5,000 0 5,000 /s/ Tang Chun Wai Nelson Tang Chun Wai Nelson, Director
NFLS Beta Limited 1.6% 29,930 0 29,930 /s/ Sun Xintong Sun Xintong, Director
NFLS Platform Holdings Limited 1.6% 29,930 0 29,930 /s/ Sun Xintong Sun Xintong, Director